文档介绍:BUTAN-1-OL Prepared at the 28th JECFA (1984) , published in FNP 31/2 (1984) and in FNP 52 (1992) . Metals and arsenic specifications revised at the 63rd JECFA (2004) . No ADI was allocated at the 25th (JECFA 1981) SYNONYMS Butyl alcohol, n-butyl alcohol, 1-hydroxybutane, n-butanol, n-propyl carbinol, NBA DEFINITION Chemical names 1-Butanol, butan-1-ol . number 76-36-3 Chemical formula C 4 H 10 O Structural formula Formula weight A ssay Not less than % DESCRIPTION Colourless, clear, slightly viscous, with a characteristic odour FUNCTIONAL USES Extraction solvent, flavouring agent (see Volume 5) CHARACTERISTICS IDENTIFICATION Solubility (Vol. 4) Soluble in water; miscible with ethanol and ether Specific gravity (Vol. 4) - PURITY Distillation range (Vol. 4) 116 o - 118 o Non-volatile residue (Vol. 4) Not more than 2 mg/100 ml Water (Vol. 4) Not more than % (Karl Fischer Method) Acidity Not more than % w/w (as acetic acid) To 60 g of the sample add a few drops of phenolphthalein TS, and titrate with N ethanolic potassium hydroxide to a pink end-point which persists for at least 15 sec. Not more than ml is required. Aldehyde and ketone Not more than % w/w Proceed as directed under Aldehyde and Ketone Determ ination in Volume 4, using 10 g of the sample and as the equivalence facto